Answer:
Step-by-step explanation:
11) Probability of Black is 1/4
12) P of not orange is 3/4
13) P of blue or black is 1/2
this should be pretty easy for you, why is it tough? don't say .. " it just is" say what makes it tough. I'm curious why this is difficult. :?
X=3
y=6
y=2x
2/3=2x
(2/3)/2=x
(2/3)×(1/2)=x
2/6=x
x=1/3
Step-by-step explanation:
It is easy
You can do by calculater

Domain restrictions are what x values make the denominator zero.
a² + 5a - 36 = (a + 9)(a - 4)
a ≠ -9 ; a ≠ 4